Acharya NG Ranga Agricultural University is State Government University which is approved by UGC. It is not under any of the university you have mentioned. It is itself a university.

The university offers admission to the course B.Sc Agriculture Hons on the basis of AP EAMCET score. The duration of the course is 4 years and the total fees for the course is around Rs. 99.60k.

For more information regarding the university consider the link provided below:

https://www.careers360.com/university/acharya-ng-ranga-agricultural-university-guntur

I hope this helps. Wish you a great eve!